Mysterious Girlfriend X (2012)

Anime series · Animation, Drama, Comedy, Sci-Fi & Fantasy · 1 season · TMDB 6.9/10

Akira is a normal high school boy, but he nevertheless impulsively licks some drool left by the mysterious transfer student Mikoto. The next day he falls asleep with an inexplicable fever. After five days Mikoto suddenly comes to visit, and makes him consume her drool.

Cast: Miyu Irino (Tsubaki Akira), Yuki Kaji (Ueno Kouhei), Ayako Yoshitani (Urabe Mikoto), Yu Shimamura (Hayakawa Aika), Ryo Hirohashi (Oka Ayuko), Misato Fukuen (Tsubaki Youko).

Not on a subscription app in India right now.